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A104317 Number of n-digit squares with no zero digits, having roots containing at least one zero. 2

%I #3 Mar 30 2012 18:50:49

%S 0,0,0,0,14,35,186,446,2151,5579,22348,58927,216816,583410

%N Number of n-digit squares with no zero digits, having roots containing at least one zero.

%C a(n) < A104264(n).

%e a(5) = #{11236=106, 11449=107^2, 11664=108^2, 11881=109^2,

%e 41616=204^2, 42436=206^2, 42849=207^2, 43264=208^2, 43681=209^2,

%e 92416=304^2, 93636=306^2, 94249=307^2, 94864=308^2, 95481=309^2} = 14.

%Y Cf. A104316, A104315, A104264.

%K nonn,base

%O 1,5

%A _Reinhard Zumkeller_, Mar 01 2005

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Last modified April 22 00:17 EDT 2024. Contains 371886 sequences. (Running on oeis4.)